Chris@30: /* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */
Chris@30: 
Chris@30: /*
Chris@30:     A waveform viewer and audio annotation editor.
Chris@30:     Chris Cannam, Queen Mary University of London, 2005-2006
Chris@30:     
Chris@30:     This is experimental software.  Not for distribution.
Chris@30: */
Chris@30: 
Chris@30: #ifndef _NOTE_LAYER_H_
Chris@30: #define _NOTE_LAYER_H_
Chris@30: 
Chris@30: #include "base/Layer.h"
Chris@30: #include "model/NoteModel.h"
Chris@30: 
Chris@30: #include <QObject>
Chris@30: #include <QColor>
Chris@30: 
Chris@30: class View;
Chris@30: class QPainter;
Chris@30: 
Chris@30: class NoteLayer : public Layer
Chris@30: {
Chris@30:     Q_OBJECT
Chris@30: 
Chris@30: public:
Chris@30:     NoteLayer(View *w);
Chris@30: 
Chris@30:     virtual void paint(QPainter &paint, QRect rect) const;
Chris@30: 
Chris@30:     virtual QString getFeatureDescription(QPoint &) const;
Chris@30: 
Chris@30:     virtual bool snapToFeatureFrame(int &frame,
Chris@30: 				    size_t &resolution,
Chris@30: 				    SnapType snap) const;
Chris@30: 
Chris@30:     virtual void drawStart(QMouseEvent *);
Chris@30:     virtual void drawDrag(QMouseEvent *);
Chris@30:     virtual void drawEnd(QMouseEvent *);
Chris@30: 
Chris@30:     virtual void editStart(QMouseEvent *);
Chris@30:     virtual void editDrag(QMouseEvent *);
Chris@30:     virtual void editEnd(QMouseEvent *);
Chris@30: 
Chris@30:     virtual const Model *getModel() const { return m_model; }
Chris@30:     void setModel(NoteModel *model);
Chris@30: 
Chris@30:     virtual PropertyList getProperties() const;
Chris@30:     virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@30:     virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@30: 					   int *min, int *max) const;
Chris@30:     virtual QString getPropertyValueLabel(const PropertyName &,
Chris@30: 					  int value) const;
Chris@30:     virtual void setProperty(const PropertyName &, int value);
Chris@30: 
Chris@30:     void setBaseColour(QColor);
Chris@30:     QColor getBaseColour() const { return m_colour; }
Chris@30: 
Chris@30:     enum VerticalScale {
Chris@30: 	MinMaxRangeScale,
Chris@30: 	MIDIRangeScale,
Chris@30: 	FrequencyScale
Chris@30:     };
Chris@30: 
Chris@30:     void setVerticalScale(VerticalScale scale);
Chris@30:     VerticalScale getVerticalScale() const { return m_verticalScale; }
Chris@30: 
Chris@30:     virtual bool isLayerScrollable() const;
Chris@30: 
Chris@30:     virtual bool isLayerEditable() const { return true; }
Chris@30: 
Chris@30:     virtual int getCompletion() const { return m_model->getCompletion(); }
Chris@30: 
Chris@30:     virtual QString toXmlString(QString indent = "",
Chris@30: 				QString extraAttributes = "") const;
Chris@30: 
Chris@30:     void setProperties(const QXmlAttributes &attributes);
Chris@30: 
Chris@30: protected:
Chris@30:     int getYForValue(float value) const;
Chris@30:     float getValueForY(int y) const;
Chris@30: 
Chris@30:     NoteModel::PointList getLocalPoints(int) const;
Chris@30: 
Chris@30:     NoteModel *m_model;
Chris@30:     bool m_editing;
Chris@30:     NoteModel::Point m_originalPoint;
Chris@30:     NoteModel::Point m_editingPoint;
Chris@30:     NoteModel::EditCommand *m_editingCommand;
Chris@30:     QColor m_colour;
Chris@30:     VerticalScale m_verticalScale;
Chris@30: };
Chris@30: 
Chris@30: #endif
Chris@30: